2 layers60 × 46.8 mm

Boards in 1 GitHub repository, designed in KiCad, that use the REF3140AIDBZR by Texas Instruments (-40℃~+125℃@(Ta) 10mA 135uA 20ppm/℃ 4.096V 4.146V~5.5V 53uVp-p 78uVrms Fixed Series ±0.2% SOT-23-3 Voltage Reference ROHS). See how each wires it, with its parts, size, README and files; the REF3140AIDBZR’s symbol, footprint and pinout are on its own page.
